Home / 7,947.42-11,925.45-3,333.66

Finding the Fourth Proportional to 7,947.42, 11,925.45 and 3,333.66

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Solution

The fourth proportional to 7,947.42, 11,925.45 and 3,333.66 is: 5,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.42 : 11,925.45 = 3,333.66 : x
  2. Step 2: Convert to fraction form
    7,947.42/11,925.45 = 3,333.66/x
  3. Step 3: Cross multiply
    7,947.42x = 11,925.45 × 3,333.66
  4. Step 4: Simplify right side
    7,947.42x = 39,755,395.65
  5. Step 5: Solve for x
    x = 39,755,395.65/7,947.42
  6. Step 6: Final answer
    x = 5,002.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.